208914920 has 16 divisors (see below), whose sum is σ = 470058660. Its totient is φ = 83565952.

The previous prime is 208914907. The next prime is 208914949. The reversal of 208914920 is 29419802.

It can be written as a sum of positive squares in 2 ways, for example, as 208340356 + 574564 = 14434^2 + 758^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611397 + ... + 2611476.

Almost surely, 2^208914920 is an apocalyptic number.

208914920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208914920 is an abundant number, since it is smaller than the sum of its proper divisors (261143740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208914920 is a wasteful number, since it uses less digits than its factorization.

208914920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222884 (or 5222880 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 208914920 is about 14453.8894419461. The cubic root of 208914920 is about 593.3666760148.

The spelling of 208914920 in words is "two hundred eight million, nine hundred fourteen thousand, nine hundred twenty".